Power supply



FIG. 1 is a perspective view of the first embodiment of a power supplyshowing our new design;

FIG. 2 is a front view of the power supply shown in FIG. 1;

FIG. 3 is a rear view of the power supply shown in FIG. 1;

FIG. 4 is a top view of the power supply shown in FIG. 1;

FIG. 5 is a bottom view of the power supply shown in FIG. 1;

FIG. 6 is a left side view of the power supply shown in FIG. 1;

FIG. 7 is a right side view of the power supply shown in FIG. 1; and,

FIG. 8 is a perspective view of the second embodiment of a power supplyshowing our new design, it being understood that the rear, bottom andright side views are the same as the first embodiment as shown in FIGS.3, 5 and 7.

Broken lines depict unclaimed features of the design.

The ornamental design for power supply, as shown.